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=head1 NAME

Lucy::Search::NOTQuery - Invert the result set of another Query.

=head1 SYNOPSIS

    my $not_bar_query = Lucy::Search::NOTQuery->new( 
        negated_query => $bar_query,
    );
    my $foo_and_not_bar_query = Lucy::Search::ANDQuery->new(
        children => [ $foo_query, $not_bar_query ].
    );
    my $hits = $searcher->hits( query => $foo_and_not_bar_query );
    ...



=head1 DESCRIPTION

A NOTQuery wraps another L<Query|Lucy::Search::Query> and matches
against its inverse document set.  All matching docs recieve a score of
0.0.

NOTQuery is often used in conjunction with
L<ANDQuery|Lucy::Search::ANDQuery> to provide "a AND NOT b"
semantics.

=head1 CONSTRUCTORS

=head2 new( I<[labeled params]> )

    my $not_query = Lucy::Search::NOTQuery->new( 
        negated_query => $query,
    );

=over

=item *

B<negated_query> - The Query whose result set should be inverted.

=back



=head1 METHODS

=head2 get_negated_query()

Accessor for the object's negated query.

=head2 set_negated_query(negated_query)

Setter for the object's negated query.



=head1 INHERITANCE

Lucy::Search::NOTQuery isa L<Lucy::Search::PolyQuery> isa L<Lucy::Search::Query> isa Clownfish::Obj.


=cut